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US 2020/0270406 A1Published application
Polyimide films and electronic devices
AssigneeDupont Electronics, Inc.
InventorsJoseph Casey Johnson, Kostantinos Kourtakis
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Abstract
In a first aspect, a polyimide film includes a dianhydride, a fluorinated aromatic diamine and an aliphatic diamine. The polyimide film has a b* of less than one for a film thickness of at least 30 microns and a glass transition temperature of less than 300° C. In a second aspect, an electronic device includes the polyimide film of the first aspect.
Claims15
A polyimide film comprising:
- a dianhydride;
- a fluorinated aromatic diamine;
- and
- an aliphatic diamine, wherein the polyimide film has a b* of less than one for a film thickness of at least 30 microns and a glass transition temperature of less than 300° C.
1 more element
Dependencies are inferred from the claim text.